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Riquelme Santos

Riquelme Santos

Data Engineering and Machine Learning Trainee

Brazil flagBrasília, Brazil
$10.00/hrIntermediateCVATOpencv AI Kit Oak

Key Skills

Software

CVATCVAT
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)

Top Subject Matter

Finance — Risk Analysis & Fraud Detection

Top Data Types

Computer Code ProgrammingComputer Code Programming
ImageImage

Top Task Types

Classification

Freelancer Overview

Data Engineering and Machine Learning Trainee. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Master of Science, Universidade de São Paulo / Universidade Federal de São Carlos (2024) and Bachelor of Science, Universidade de Brasília (2023). AI-training focus includes data types such as Image and labeling workflows including Classification.

IntermediateEnglishSpanishPortuguese

Labeling Experience

Data Engineering and Machine Learning Trainee

ImageClassification
As a Data Engineering and Machine Learning Trainee, I worked on optimizing data pipelines and developing machine learning models for business applications. I focused on using Databricks to automate and improve ETL processes, supporting decision-making through data-driven solutions. My role required proficiency in Python, R, and various data engineering tools and methodologies. • Structured and optimized large-scale ETL pipelines in Databricks. • Automated data workflows and conducted exploratory data analyses to support decision-making. • Developed and validated statistical and machine learning models. • Applied large language models (LLMs) and prompt engineering techniques in real-world use cases.

As a Data Engineering and Machine Learning Trainee, I worked on optimizing data pipelines and developing machine learning models for business applications. I focused on using Databricks to automate and improve ETL processes, supporting decision-making through data-driven solutions. My role required proficiency in Python, R, and various data engineering tools and methodologies. • Structured and optimized large-scale ETL pipelines in Databricks. • Automated data workflows and conducted exploratory data analyses to support decision-making. • Developed and validated statistical and machine learning models. • Applied large language models (LLMs) and prompt engineering techniques in real-world use cases.

2025 - Present

Education

U

Universidade de Brasília

Bachelor of Science, Mathematics

Bachelor of Science
2020 - 2023
U

Universidade de São Paulo / Universidade Federal de São Carlos

Master of Science, Statistics

Master of Science
2024

Work History

M

Math Group

Data Engineering and Machine Learning Trainee

São Carlos
2025 - Present
S

Superior Labor Court

Data Analysis Intern

Brasília
2023 - 2024